Bill Rosenblatt has been dealing in digital rights management (DRM) since before DRM even had a name. He has helped develop industry DRM standards, he has penned a book called "Digital Rights Management: Business and Technology," and he edits the newsletter DRM Watch (www.DRMWatch.com). For him, DRM isn't only about protecting online content from piracy, it's a way of doing business in today's digital marketplace. Rosenblatt spent some time answering some of our questions about DRM and how it can impact your future. 1. In today's marketplace, what does digital rights management involve and why is it important to book